The Pioneer CS-343 is a 2-way bass reflex loudspeaker that was manufactured from 1980 to 1981 in Japan. Sporting a dark brown finish, it comes with dimensions of 280 mm in width, 480 mm in height, and 230 mm in depth, and has a weight of 5.5 kg. This model features a 200 mm cone for low frequencies and a 66 mm cone for the tweeter, allowing for a frequency response range from 50 Hz to 20,000 Hz. The nominal power handling is rated at 20 W, with a maximum music power handling of 40 W, and it operates with an impedance of 8 Ohms. The crossover frequency is set at 2,000 Hz, and the speaker has removable front panels for convenience. It was originally priced at approximately 188 Deutsche Marks per pair. Other models in the same series include the CS-444, CS-545, and CS-646, highlighting the diversity of offerings from Pioneer during that era.